Releasable barb assembly

Title: Releasable barb assembly

Related Patent Categories: Joints And Connections, Manually Releaseable Latch Type, Having Operating Mechanism

Brief Patent Description - Full Patent Description - Patent Claims

The Patent Description & Claims data below is from USPTO Patent Application 20070274773, Releasable barb assembly.

1. A method for assembling a cable duct system, the method comprising: providing a cable duct section comprising an end; providing a cable duct component that can receive the end of the cable duct section, the cable duct component comprising a barb assembly, the barb assembly comprising: a barb comprising a body and one or more barb arms extending from the body to bitingly engage the end of the cable duct section and to oppose removal of the end of the cable duct section from the cable duct component; and a releasable assembly for applying a force to the barb and, responsive to the application of the force, for moving the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools; inserting the end of the cable duct section into the cable duct component; and without the use of tools, actuating the releasable assembly to the engaged position.

2. The method of claim 1, further comprising biasing the releasable assembly to the unengaged position upon actuating the releasable assembly to the unengaged position.

3. The method of claim 1, wherein the cable duct component is a cable duct coupler.

4. The method of claim 1 wherein the cable duct component is a cable duct reducer fitting.

5. The method of claim 1, wherein the releasable assembly comprises a scotch yoke assembly.

6. The method of claim 5, wherein actuation of the scotch yoke assembly actuates the releasable assembly between the unengaged position and the engaged position without the use of tools.

7. The method of claim 5, wherein actuation of the scotch yoke assembly causes the releasable assembly to apply a force to the barb and, responsive to the application of the force, to move the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools.

8. The method of claim 5, wherein the scotch yoke assembly further comprises: a yoke connected to the cable duct component, the yoke comprising a slot adapted to receive a shaft and to act on the shaft; one or more bearings concentrically connected to the shaft, the bearings adapted to rotate and act on the barb; and one or more arms, each concentrically connected to one of the bearings and each adapted to rotate.

9. The method of claim 8, wherein rotation of the one or more arms causes the slot to act on the shaft and the bearing to act on the barb to apply a force to the barb and, responsive to the application of the force, to move the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools.

10. The method of claim 1, wherein the releasable assembly comprises a cam barrel assembly.

11. The method of claim 10, wherein actuation of the cam barrel actuates the releasable assembly between the unengaged position and the engaged position without the use of tools.

12. The method of claim 10, wherein actuation of the cam barrel causes the releasable assembly to apply a force to the barb and, responsive to the application of the force, to move the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools.

13. The method of claim 10, wherein the cam barrel assembly further comprises: a cam barrel rotatably connected to the cable duct component, the cam barrel comprising a cammed slot adapted to receive a portion of the barb body and adapted to act on the barb.

14. The method of claim 13, further comprising one or more arms extending from the cam barrel.

15. The method of claim 13, wherein rotation of the cam barrel causes the cammed slot to act on the barb to apply a force to the barb and, responsive to the application of the force, to move the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools.

16. The method of claim 1, wherein the releasable assembly comprises a lever assembly.

17. The method of claim 16, wherein actuation of the lever actuates the releasable assembly between the unengaged position and the engaged position without the use of tools.

18. The method of claim 16, wherein actuation of the lever causes the releasable assembly to apply a force to the barb and, responsive to the application of the force, to move the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools.

19. The method of claim 16, wherein the lever assembly further comprises: a lever and a lever mount, the lever comprising a lever mount bearing surface and a barb bearing surface, the lever mount bearing surface adapted to act on the lever mount and the barb bearing surface adapted to act on the barb.

20. The method of claim 19, wherein actuation of the lever causes the lever mount bearing surface to act on the lever mount and causes the barb bearing surface to act on the barb to apply a force to the barb and, responsive to the application of the force, to move the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools.

21. A method for assembling a cable duct system, the method comprising: providing a cable duct section comprising an end; providing a cable duct component that can receive the end of the cable duct section and that can engage the cable duct section with a barb; inserting the end of the cable duct section into the cable duct component; and without the use of tools, actuating a releasable assembly to apply a force to the barb and, responsive to the application of the force, engaging the cable duct section with the barb.

22. The method of claim 21, wherein the barb opposes removal of the cable duct section from the cable duct component.

Brief Patent Description - Full Patent Description - Patent Claims

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Coupling element for removably joining pipes
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Joints and connections

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